<template>
  <div class="not-found">
    <h1>404</h1>
    <p>页面不存在或已被移动。</p>
  </div>
</template>

<script setup>
// 简单的 404 页面占位组件
</script>

<style scoped>
.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  color: #666;
}
h1 { font-size: 48px; margin: 0; }
p { margin-top: 12px; }
</style>